VDB-124292 · CVE-2018-11267 · BID 106128

Qualcomm Snapdragon Automobile up to SDX20 Deviceprogrammer/Firehose XML Data array index

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Qualcomm Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear. This vulnerability affects unknown code of the component Deviceprogrammer/Firehose. Such manipulation as part of XML Data leads to array index. This vulnerability is uniquely identified as CVE-2018-11267. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Qualcomm Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear (Chip Software). Affected by this issue is an unknown function of the component Deviceprogrammer/Firehose. The manipulation as part of a XML Data leads to a array index vulnerability. Using CWE to declare the problem leads to CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Snapdragon (Automobile, Mobile, Wear) in version MDM9206, MDM9607, MDM9615, MDM9640, MDM9650, MDM9655, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, SDX20, Snapdragon_High_Med_2016, when sending an malformed XML data to deviceprogrammer/firehose it may do an out of bounds buffer write allowing a region of memory to be filled with 0x20.

The bug was discovered 09/04/2018. The weakness was disclosed 09/20/2018 (Website). The advisory is shared for download at qualcomm.com. This vulnerability is handled as CVE-2018-11267 since 05/18/2018. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106128†). The entries VDB-120497, VDB-120506, VDB-120507 and VDB-120508 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/18/2018 🔍
09/04/2018 +109 days 🔍
09/20/2018 +15 days 🔍
09/20/2018 +0 days 🔍
09/21/2018 +1 days 🔍
12/03/2018 +73 days 🔍
05/03/2020 +517 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-11267 (🔍)
GCVE (CVE): GCVE-0-2018-11267
GCVE (VulDB): GCVE-100-124292
SecurityFocus: 106128 - Qualcomm Closed-Source Components Multiple Unspecified Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/21/2018 07:02
Updated: 05/03/2020 12:36
Changes: 09/21/2018 07:02 (62), 05/03/2020 12:36 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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